NextcloudRestore.sh

   1 #!/bin/bash
   2
   3 #
   4 # Bash script for restoring backups of Nextcloud.
   5 # Usage: ./NextcloudRestore.sh <BackupName> (e.g. ./NextcloudRestore.sh 20170910_132703)
   6 #
   7 # The script is based on an installation of Nextcloud using nginx and MariaDB, see https://decatec.de/home-server/nextcloud-auf-ubuntu-server-18-04-lts-mit-nginx-mariadb-php-lets-encrypt-redis-und-fail2ban/
   8 #
   9
  10 #
  11 # IMPORTANT
  12 # You have to customize this script (directories, users, etc.) for your actual environment.
  13 # All entries which need to be customized are tagged with "TODO".
  14 #
  15
  16 # Variables
  17 # TODO: The directory where you store the Nextcloud backups
  18 mainBackupDir="/mnt/Share/NextcloudBackups/"
  19 restore=$1
  20 currentRestoreDir="${mainBackupDir}/${restore}"
  21 # TODO: The directory of your Nextcloud installation (this is a directory under your web root)
  22 nextcloudFileDir="/var/www/nextcloud"
  23 # TODO: The directory of your Nextcloud data directory (outside the Nextcloud file directory)
  24 # If your data directory is located under Nextcloud's file directory (somewhere in the web root), the data directory should not be restored separately
  25 nextcloudDataDir="/var/nextcloud_data"
  26 # TODO: The service name of the web server. Used to start/stop web server (e.g. 'service <webserverServiceName> start')
  27 webserverServiceName="nginx"
  28 # TODO: Your Nextcloud database name
  29 nextcloudDatabase="nextcloud_db"
  30 # TODO: Your Nextcloud database user
  31 dbUser="nextcloud_db_user"
  32 # TODO: The password of the Nextcloud database user
  33 dbPassword="mYpAsSw0rd"
  34 # TODO: Your web server user
  35 webserverUser="www-data"
  36
  37 # File names for backup files
  38 # If you prefer other file names, you'll also have to change the NextcloudBackup.sh script.
  39 fileNameBackupFileDir="nextcloud-filedir.tar.gz"
  40 fileNameBackupDataDir="nextcloud-datadir.tar.gz"
  41 fileNameBackupDb="nextcloud-db.sql"
  42
  43 # Function for error messages
  44 errorecho() { cat <<< "$@" 1>&2; }
  45
  46 #
  47 # Check if parameter given
  48 #
  49 if [ $# != "1" ]
  50 then
  51     errorecho "ERROR: No backup name to restore given!"
  52         errorecho "Usage: NextcloudRestore.sh 'BackupDate'"
  53     exit 1
  54 fi
  55
  56 #
  57 # Check for root
  58 #
  59 if [ "$(id -u)" != "0" ]
  60 then
  61     errorecho "ERROR: This script has to be run as root!"
  62     exit 1
  63 fi
  64
  65 #
  66 # Check if backup dir exists
  67 #
  68 if [ ! -d "${currentRestoreDir}" ]
  69 then
  70          errorecho "ERROR: Backup ${restore} not found!"
  71     exit 1
  72 fi
  73
  74 #
  75 # Set maintenance mode
  76 #
  77 echo "Set maintenance mode for Nextcloud..."
  78 cd "${nextcloudFileDir}"
  79 sudo -u "${webserverUser}" php occ maintenance:mode --on
  80 cd ~
  81 echo "Done"
  82 echo
  83
  84 #
  85 # Stop web server
  86 #
  87 echo "Stopping web server..."
  88 service "${webserverServiceName}" stop
  89 echo "Done"
  90 echo
  91
  92 #
  93 # Delete old Nextcloud direcories
  94 #
  95 echo "Deleting old Nextcloud file directory..."
  96 rm -r "${nextcloudFileDir}"
  97 mkdir -p "${nextcloudFileDir}"
  98 echo "Done"
  99 echo
 100
 101 echo "Deleting old Nextcloud data directory..."
 102 rm -r "${nextcloudDataDir}"
 103 mkdir -p "${nextcloudDataDir}"
 104 echo "Done"
 105 echo
 106
 107 #
 108 # Restore file and data directory
 109 #
 110 echo "Restoring Nextcloud file directory..."
 111 tar -xpzf "${currentRestoreDir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}"
 112 echo "Done"
 113 echo
 114
 115 echo "Restoring Nextcloud data directory..."
 116 tar -xpzf "${currentRestoreDir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}"
 117 echo "Done"
 118 echo
 119
 120 #
 121 # Restore database
 122 #
 123 echo "Dropping old Nextcloud DB..."
 124 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "DROP DATABASE ${nextcloudDatabase}"
 125 echo "Done"
 126 echo
 127
 128 echo "Creating new DB for Nextcloud..."
 129 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "CREATE DATABASE ${nextcloudDatabase}"
 130 echo "Done"
 131 echo
 132
 133 echo "Restoring backup DB..."
 134 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" < "${currentRestoreDir}/${fileNameBackupDb}"
 135 echo "Done"
 136 echo
 137
 138 #
 139 # Start web server
 140 #
 141 echo "Starting web server..."
 142 service "${webserverServiceName}" start
 143 echo "Done"
 144 echo
 145
 146 #
 147 # Set directory permissions
 148 #
 149 echo "Setting directory permissions..."
 150 chown -R "${webserverUser}":"${webserverUser}" "${nextcloudFileDir}"
 151 chown -R "${webserverUser}":"${webserverUser}" "${nextcloudDataDir}"
 152 echo "Done"
 153 echo
 154
 155 #
 156 # Update the system data-fingerprint (see https://docs.nextcloud.com/server/14/admin_manual/configuration_server/occ_command.html#maintenance-commands-label)
 157 #
 158 echo "Updating the system data-fingerprint..."
 159 cd "${nextcloudFileDir}"
 160 sudo -u "${webserverUser}" php occ maintenance:data-fingerprint
 161 cd ~
 162 echo "Done"
 163 echo
 164
 165 #
 166 # Disbale maintenance mode
 167 #
 168 echo "Switching off maintenance mode..."
 169 cd "${nextcloudFileDir}"
 170 sudo -u "${webserverUser}" php occ maintenance:mode --off
 171 cd ~
 172 echo "Done"
 173 echo
 174
 175 echo
 176 echo "DONE!"
 177 echo "Backup ${restore} successfully restored."